Home / 23,991,821.22-33,108,613.56-12,978,543.78

Finding the Fourth Proportional to 23,991,821.22, 33,108,613.56 and 12,978,543.78

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Solution

The fourth proportional to 23,991,821.22, 33,108,613.56 and 12,978,543.78 is: 17,910,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991,821.22 : 33,108,613.56 = 12,978,543.78 : x
  2. Step 2: Convert to fraction form
    23,991,821.22/33,108,613.56 = 12,978,543.78/x
  3. Step 3: Cross multiply
    23,991,821.22x = 33,108,613.56 × 12,978,543.78
  4. Step 4: Simplify right side
    23,991,821.22x = 429,701,590,583,561.62
  5. Step 5: Solve for x
    x = 429,701,590,583,561.62/23,991,821.22
  6. Step 6: Final answer
    x = 17,910,336.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.